GE DS200TCTGG1AEC Simplex Trip Board

GE DS200TCTGG1AEC Simplex Trip Board

As a Simplex Trip Board, the 5$\text{DS200TCTGG1AEC}$ features the robust, switching components essential for safety control:6

Component Quantity Purpose
Plug-in Relays Typically 21 Used for the PTRs, ETRs, and other control functions, including synchronizing relays for the generator breaker.
50-Pin Connectors 3 ($\text{JLY, JLX, JLZ}$) Interface with the core controllers and the turbine control I/O (Input/Output) system.
12-Pin Connectors 2 ($\text{JN, JM}$) Used for auxiliary signals, including hardwired external trip inputs (e.g., emergency stop pushbuttons).
Protective Circuits Multiple Integrated circuits for the ETR, PTR, Generator Breaker Close, and Manual/External Trip logic.
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التصنيف:

الوصف

The GE DS200TCTGG1AEC Simplex Trip Board is a safety-critical printed circuit board used in the General Electric Speedtronic Mark V Gas/Steam Turbine Control System.1

Its core function is to house the necessary relays and logic to execute a rapid, emergency shutdown, or “trip,” of the turbine in response to detected unsafe operating conditions.2

🎯 Primary Function and Role

The $\text{DS200TCTGG1AEC}$ is a revision of the Turbine Trip Board ($\text{TCTG}$) and is designed for use in both Triple Modular Redundant (TMR) and Simplex configurations of the Mark V system.

  • Emergency Shutdown: It manages the circuits that control the turbine’s fuel or steam stop valves. When the main controllers or hardwired safety circuits signal a trip condition (e.g., overspeed, high vibration, or low oil pressure), this board’s relays are de-energized, which triggers the hydraulic trip system to quickly shut off the energy source.
  • Relay Management: The board contains both Primary Trip Relays (PTRs) and interfaces for Emergency Trip Relays (ETRs).3 The PTRs are typically controlled by the main control sequence program, while the ETRs are often used in the hardware-level voting logic of TMR systems for critical, fast-acting protection.
  • Revision Code: The part number’s suffix ($\text{G1AEC}$) indicates the evolution of the board:
    • $\text{TCTG}$: Functional acronym for Turbine Trip Board.4
    • $\text{G1}$: Denotes the specific family or generation of the board within the DS200 series.
    • $\text{A}$, $\text{E}$, $\text{C}$: Represent subsequent functional or artwork/assembly revisions made to the original design. These revisions ensure compatibility or introduce minor feature improvements over older versions like the $\text{DS200TCTGG1A}$.

⚙️ Hardware and Components

As a Simplex Trip Board, the 5$\text{DS200TCTGG1AEC}$ features the robust, switching components essential for safety control:6

Component Quantity Purpose
Plug-in Relays Typically 21 Used for the PTRs, ETRs, and other control functions, including synchronizing relays for the generator breaker.
50-Pin Connectors 3 ($\text{JLY, JLX, JLZ}$) Interface with the core controllers and the turbine control I/O (Input/Output) system.
12-Pin Connectors 2 ($\text{JN, JM}$) Used for auxiliary signals, including hardwired external trip inputs (e.g., emergency stop pushbuttons).
Protective Circuits Multiple Integrated circuits for the ETR, PTR, Generator Breaker Close, and Manual/External Trip logic.

The DS200TCTGG1AEC is physically located within the control panel’s core and is a single point of safety logic responsible for protecting the extremely expensive and critical turbine-generator assets.

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